Attachment for pneumatic-tire valves.



' T. J. OLEARY.

ATTACHMENT FOR PNEUMATIC TIRE VALVES.

APPLICATION FILED FEB. 25, 1913.

Patented Apr. 14, 1914.

A Q 5| 1400114430 Tamwffl gafj 0 of parts hereinafter fully describedand claimed, reference being had to acoo'mg To all wliqmit mayconeem; V

Be it known that'l, THOMAS J QI EARY, a citizen of thevUnitedStates,residing at.-

THOMAS .1 0""runner, "or {sna net, m 'ms m,

' Ar'mcnrmmron' rnnuma'rror'rms VALVES [rat teunpa ii, 191a.

. Appficatio h filed February Serial'No. 750,631.;

St, "PauLin the county of-Ramsey, and State "of Minnesota; have inventednew and useful Improvements in Attachments for Pneumatic-Tire Valves, ofwhich the follow ng is a specification;

This invention relates: a; an attachment a for the valves of of. theinvention fineumatic tires, the object The invention consists oft-he fture of construction, combination 'and'jarrangement panying drawing,v inwhich 5-1- application oft e invention'to a valve of the .sohrade vtype. Fig. 2"is a longitudinal sec;

tion on an enlarged scale through .the'valve .casin'g and valve o enindevice,.' Fig. 3

e va ve opemng." devlc'e a detail" View f detached.

Referring to'the drawing, IdesigHateS-the valve. tube or, casing of apneumatic tire valve af the-ztypespecifi d, 2 the valve proper arrangedtherein, and 3 the valve ste11 "As 'shownthe valve tube of easing 1 isprovided with external screw threads 4.

The valve o-pen-i ng de'vice,-constituting n'iy improvedatt'achmenhcomprises a ring-5, in-" ternally threaded as at ,6, toengage-the threads ofthe valve casing, and provided with a milled rim 7-whereby it-nmay' be gripped for adjustment as occasion requires. Thering carries an'arched port-ion or-bridge 8, thencross piece-9 ofwhichis provided withfan' inwardly projecting pin 10 arranged parallel-withtheslde arms ot the bridge and in alinementwith the -jaxis of the ring,When the "ring is-applied in position upon 3 the valve casingthe-outer'end ofthe ,ca-sing' extends into thei fsp'ace between the arms of. thebridge an'dthe outer end of the-valve eiii-g to provide a device, ofthis charao'ter Y which is adjust ably; t mounted upon the valve tube orcasingQand provided with means whereby the valve 15 \stem may be forcedinwardgto unseat the valve, so that the.tire -Inay bedeflated Wlth-f;out'thenecessityof removing the valve'from' its casing stem is arrangedin alineme'nt'with the pin 10'; It will; therefore, be understood thatbyfserewing' the 'rin' inwardly on the valve casing th P n Jw i sp y'justed' and will engage the valve stem, 'whereby the latterma be forcedinwardly and the valve'unseate .to ermitof'the es-' cape of'air'from't-he tubetor tire. The pin is preferably provided :withareduced inner endjhaving a-socketor rcess'to receive the tend-f of-the'stem, thus insuring a positive 'connection"therebetween; and said pinisof "less-diameter'than. the opening" in the outer end of the casing,thus permitting of the free escape of air.

w As is well known, itis frequently necessary for an automobili'st toremove the outer oasing'ofadamaged jdouble tube tire, for

the. application. of a newflcasing; in order to prevent a blow-outerdisruption ofthe in heir tuber This requires the removal of the .'valve,with aims of time and possibilityof s H lossbf'ith'e" valvelor of injurythereto. In Figure l i's-a erspective view"showing ;the

testing inner [tubes for leakages, by submerging the sameiin water; itis also customary toremove the valve after'th''test has been :m ade; anda leak found, in order to deflate the tubje for the, purpose ofrepairing orpatching the same. 3 My invention Tobviates be 0 ened andheld unseated to permit of it-heseobjections, as by its use the valvemay 7 the efl'ation ofthe tireinaready and-con- As a new articleofymanufacture, a valve -o eningdevice for the valves of pneumatictires, comprising an internally threaded ring, an arch rigid with andprojecting from 1 one of the vfaces of. t -he ring,'and"a pin rigid withand supported bythe crown of the arch betweenthe sides of 'the arch andin line with the axis of'th'e ring,z ,said pin being provided with areduced portion having a: seat recess therein to receive and engage theend of theval've stem. I

' h 'Intesti'mony whereof signature inpresence Copies of thishateiit'payiiefolitainedftor'hve centsfe' chy b yaddressin g the flommission'er ofPatents,-

